6813057438063 has 20 divisors (see below), whose sum is σ = 10234387979640. Its totient is φ = 4516663766832.

The previous prime is 6813057438049. The next prime is 6813057438071. The reversal of 6813057438063 is 3608347503186.

6813057438063 is a `hidden beast` number, since 6 + 8 + 1 + 3 + 0 + 574 + 3 + 8 + 0 + 63 = 666.

It is not a de Polignac number, because 6813057438063 - 2³⁰ = 6811983696239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6813057438043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 234934720 + ... + 234963717.

It is an arithmetic number, because the mean of its divisors is an integer number (511719398982).

Almost surely, 2^{6813057438063} is an apocalyptic number.

6813057438063 is a deficient number, since it is larger than the sum of its proper divisors (3421330541577).

6813057438063 is a wasteful number, since it uses less digits than its factorization.

6813057438063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469898628 (or 469898619 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 6813057438063 in words is "six trillion, eight hundred thirteen billion, fifty-seven million, four hundred thirty-eight thousand, sixty-three".